Conversation with Modal Auxiliary

One day, Dio and Dia have been meet..

Dio   : Hi Dia~
Dia   : Hi Dio..

Dio   : What are you doing Dia?
Dia   : So.. I loose my wallet..
Dio   : What?
Dia   : Yes I loose it..
Dio   : You might forget Dia?
Dia   : I guess no..
Dio   : Aaa~ It might have hidden by Odi?
Dia   : Hey don't be negative thinking Dio~
Dio   : No, I can said like that because he was like trapping others
Dia   : Are you sure?
Dio   : Heemm~ I'm sure! Odi must have hidden your wallet!
Dia   : Ok, let's meet him. Don't you go with me?
Dio   : I must have been glad to help you~